Hottest and Coldest Temperatures Ever in Philadelphia on February 18

On February 18th, Philadelphia experienced a range of temperatures, with the hottest ever recorded at 69.1°F in 2011 and the coldest at 7.0°F in 1958. The average temperature for this date is 35.30°F, along with an average high of 41.92°F and an average low of 28.67°F. Looking back, an interesting news item from 1958 was the launch of the first successful American satellite, Explorer 1, which marked the United States' entry into the Space Race and paved the way for future space exploration endeavors.